- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/85 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
Patent holdings for IPC class F24F 11/85
Total number of patents in this class: 175
10-year publication summary
|
7
|
20
|
25
|
19
|
18
|
18
|
10
|
19
|
12
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46346 |
24 |
| Lennox Industries Inc. | 1130 |
12 |
| Tyco Fire & Security GmbH | 3199 |
11 |
| Daikin Industries, Ltd. | 10058 |
8 |
| Trane International Inc. | 1193 |
8 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 634 |
7 |
| Midea Group Co., Ltd. | 4593 |
6 |
| Carrier Corporation | 4292 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1849 |
3 |
| Haier US Appliance Solutions, Inc. | 3675 |
3 |
| Intelligent Growth Solutions Limited | 29 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2376 |
3 |
| Copeland LP | 700 |
3 |
| Heds Holdings LLC | 18 |
3 |
| CIMBERIO HOLDING S.r.l. | 22 |
3 |
| Johnson Controls Light Commercial IP GmbH | 360 |
3 |
| Samsung Electronics Co., Ltd. | 147334 |
2 |
| LG Electronics Inc. | 73476 |
2 |
| NTT Facilities, Inc. | 40 |
2 |
| Azbil Corporation | 467 |
2 |
| Other owners | 63 |